how to organize html code (with usage ol\li ect.) to present such lists (with sublists)
1. BLA-BLA-BLA
1.1. Bla-bla-bla.
1.2. Bla-bla-bla.
1.3. Bla-bla-bla:
lalal - balalala;
lalal - balalala;
lalal - lalalla.
1.4. Blal-a lalslas
1.4.1. bklalala
1.4.2. sdsdsdsdsd
note: It is not the same that I want
<ol>
? – Borrowing